The Ocharaku Flat4-Kaede
The name Flat4 is derived from the description "Full-range 2-Element 4-Way Effect."
According to the company website this 4-way effect is as follows:
1st effect
Placement of opposed elements reduces mechanical vibration due to anti-resonance.
2nd effect
Twin element parallel drive improves sound pressure sensitivity of low to middle frequency sound.
3rd...

The CAD NB-2 Active noise canceling headphones are professional grade in-ear monitors with superb sound quality. They use a High output 9mm driver with neodymium magnet for clear, robust audio and are Great for travel and music listening in challeng...